GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2003
🢒
Yukon XL - 4WD
🢒
Body and Accessories
🢒
Lighting Systems
🢒 Headlights/Daytime Running Lights (DRL) Schematics
Figure
1:
Headlights/DRL Controls
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Headlights
G203 - 3 of 3
Park Lamp Relay - Domestic
Sun Load and Ambient Light Sensors
G203 - 1 Of 2
G203 - 1 Of 2
Figure
2:
Headlights
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Headlights (w/Z75)
Headlights/DRL Controls
G104, G107
G104, G107
G104, G107
G100, G101, G105, G106
G100, G101, G105, G106
Figure
3:
Headlights (w/Z75)
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Daytime Running Lamps (DRl) - Domestic
Headlights
G104, G107
G104, G107
G104, G107
G100, G101, G105, G106
G100, G101, G105, G106
Figure
4:
Daytime Running Lamps (DRL) - Domestic
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Daytime Running Lamps (DRL) - Export
Headlights (w/Z75)
B+ Bus Bar - 2 of 2
G100, G101, G105, G106
G100, G101, G105, G106
G100, G101, G105, G106
Figure
5:
Daytime Running Lamps (DRL) - Export
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Daytime Running Lamps (DRl) - Domestic
B+ Bus Bar - 2 of 2
Park Lamp Relay - Export
Front Park Lamps - Export
Front Park Lamps - Export
S100 - Export
S101 - Export
G100, G101, G105, G106